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Finding the Fourth Proportional to 168,750.70, 253,126.05 and 146,200.30

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Solution

The fourth proportional to 168,750.70, 253,126.05 and 146,200.30 is: 219,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,750.70 : 253,126.05 = 146,200.30 : x
  2. Step 2: Convert to fraction form
    168,750.70/253,126.05 = 146,200.30/x
  3. Step 3: Cross multiply
    168,750.70x = 253,126.05 × 146,200.30
  4. Step 4: Simplify right side
    168,750.70x = 37,007,104,447.82
  5. Step 5: Solve for x
    x = 37,007,104,447.82/168,750.70
  6. Step 6: Final answer
    x = 219,300.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.